/ Dictionary / Index M Marshfield: Meaning and Definition of Find definitions for: Marsh•field Pronunciation: (märsh'fēld"), [key] — n. a city in SE Massachusetts. 20,916. a city in central Wisconsin. 18,290. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. marsh fern marsh gas Related Content Daily Word Quiz: crutiny Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language